Re: print: unexpected gawk's behaviour in case indirect function call

[Ed Morton]

same behavior with gawk 5.1.0 in bash on cygwin:

$ awk -f tst.awk | cat -Ev
DIRECT:   1$
match1$
END$

$ awk --version
GNU Awk 5.1.0, API: 3.0 (GNU MPFR 4.1.0, GNU MP 6.2.1)
Copyright (C) 1989, 1991-2020 Free Software Foundation.


On 2/2/2022 7:16 AM, Denis Shirokov wrote:
> Hi Gawk Team!
>
> i found strange gawk's behaviour that is completely makes me crazy
>
> example:
>
>        BEGIN{
>
>              print "DIRECT:   "      match( a, b )
>
>
>              f = "match"
>
>              print "INDIRECT: "      @f( a, b )
>
>
>              print "END" }
>
> output:
>
>        D:\CPU\DEV\PROJECT\XASM>gawk -f ./a.txt
>        DIRECT:   1
>        match1
>       < 'match' ??? wtf?
>        END
>
> it's looks like it's lost leading "INDIRECT: " string and then outputs
> content of the
> globvar `f: "match" and THEN indirectly call built-in match() function
> and output it's
> result.
>
> please note that this behaviour was found while reporting about
> another gawk issue that's will be reported soon. the provided example
> is from there,
>
> Windows 10(x64)
> GNU Awk 5.1.1, API: 3.1 (GNU MPFR 4.0.2, GNU MP 6.1.2)
>
> Kind Regards
> Denis